$OpenBSD: patch-exec_xlogout,v 1.4 2017/04/17 08:49:23 sthen Exp $

fix xlogout script on OpenBSD
use some sane defaults for X session names: that's a best effort 
task :-)

--- exec/xlogout.orig	Tue Apr 13 12:58:08 2010
+++ exec/xlogout	Tue Apr 13 13:00:31 2010
@@ -1,49 +1,5 @@
-#!/bin/bash
+#!/bin/sh
 
-# xlogout - logs user out of its X session
-# Linux specific since uses /proc
+XSESS=$(pgrep -U `id -u` -f '(Xsession|cwm|fvwm|gnome-session|openbox|openbox-session|startkde|xfce4-session|xinit|xinitrc|xsession)')
 
-# get display name without screen number
-[ -z "$DISPLAY" ] && exit 1
-DPY=${DISPLAY:1}
-DPY=${DPY/.*/}
-echo "DPY=${DPY}"
-
-# get X pid
-XPID=`< /tmp/.X${DPY}-lock`
-XPID=`echo $XPID`
-echo "XPID=$XPID"
-
-# get pid of xdm (or gdm, kdm, etc). usually it's parent of X
-XDMPID=`ps -o ppid --pid=$XPID | awk '{if (FNR != 1) print $1}'`
-echo "XDMPID=$XDMPID"
-
-# recursivly find child of xdm that was started in home dir - 
-# it's user's session start up script
-function pid_scan()
-{
-
-    rm -f $PF
-    while [ $# != 0 ]; do
-        ps --no-headers -o pid --ppid=$1 >> $PF
-        shift
-    done
-    for pid in `< $PF`; do
-        if cwd=`ls -al /proc/$pid/cwd 2>/dev/null`; then
-            cwd=`sed 's/.*-> //' <<< $cwd`
-            [ "$cwd" == "$HOME" ] && echo $pid && return
-        fi
-    done
-    pids=`< $PF`
-    [ -n "$pids" ] && pid_scan `< $PF`;
-}
-
-PF=/tmp/$$-pids
-SPID=`pid_scan $XDMPID`
-rm -f $PF
-
-[ -z "$SPID" ] && exit 1
-echo "Session start up script"
-ps -o uid,pid,ppid,sess,cmd --pid $SPID
-kill -SIGTERM -$SPID
-
+for pid in ${XSESS} ; do kill ${pid} ; done
